AWS, JavaScript, React - Deploy Web Apps on the Cloud - IAM Multi-Factor Authentication (MFA)

The video tutorial explains multi-factor authentication (MFA) in AWS, detailing its importance in adding a second layer of security to AWS IAM users and root accounts. It describes the three categories of MFA: knowledge, possession, and inheritance, and outlines the authentication process. The tutorial also covers the types of MFA devices compatible with AWS, including virtual MFA, UTF security keys, and hardware key fobs, highlighting their unique features and security benefits.

Explain how a virtual MFA device generates authentication codes.

What is the significance of researching different MFA devices before choosing one?